From Sun Sentinel – As I sat at a poker table the other day, playing a free tournament for a chance to win a spot in the $10 million Seminole Hard Rock Poker Open later this month, I couldn’t help but chuckle — and marvel — at how much the Florida gambling landscape has changed over the past 15 years. When card rooms were approved by the state in 1997, the maximum bet was 25 cents and each pot was capped by law at $10. You couldn’t even really call it poker, since there was no bluffing and the betting…